Finding the Fourth Proportional to 97,356.65, 134,412.99 and 74,652.02
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Solution
The fourth proportional to 97,356.65, 134,412.99 and 74,652.02 is: 103,066.42
Step by Step Solution
- Step 1: Write the proportion equation
97,356.65 : 134,412.99 = 74,652.02 : x - Step 2: Convert to fraction form
97,356.65/134,412.99 = 74,652.02/x - Step 3: Cross multiply
97,356.65x = 134,412.99 × 74,652.02 - Step 4: Simplify right side
97,356.65x = 10,034,200,545.67 - Step 5: Solve for x
x = 10,034,200,545.67/97,356.65 - Step 6: Final answer
x = 103,066.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.